ES449818A1 - Perfeccionamientos en aparatos de grabacion de discos por haz de energia. - Google Patents

Perfeccionamientos en aparatos de grabacion de discos por haz de energia.

Info

Publication number
ES449818A1
ES449818A1 ES449818A ES449818A ES449818A1 ES 449818 A1 ES449818 A1 ES 449818A1 ES 449818 A ES449818 A ES 449818A ES 449818 A ES449818 A ES 449818A ES 449818 A1 ES449818 A1 ES 449818A1
Authority
ES
Spain
Prior art keywords
recording
turntable
cover plate
energy beam
master disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES449818A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Publication of ES449818A1 publication Critical patent/ES449818A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/03—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
ES449818A 1975-07-15 1976-07-14 Perfeccionamientos en aparatos de grabacion de discos por haz de energia. Expired ES449818A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2960075 1975-07-15

Publications (1)

Publication Number Publication Date
ES449818A1 true ES449818A1 (es) 1977-08-01

Family

ID=10294115

Family Applications (2)

Application Number Title Priority Date Filing Date
ES449820A Expired ES449820A1 (es) 1975-07-15 1976-07-14 Perfeccionamientos en aparatos para situar discos maestros en sistemas de grabacion.
ES449818A Expired ES449818A1 (es) 1975-07-15 1976-07-14 Perfeccionamientos en aparatos de grabacion de discos por haz de energia.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES449820A Expired ES449820A1 (es) 1975-07-15 1976-07-14 Perfeccionamientos en aparatos para situar discos maestros en sistemas de grabacion.

Country Status (8)

Country Link
JP (2) JPS5227618A (es)
AT (1) AT344800B (es)
AU (2) AU1585476A (es)
DE (2) DE2631935A1 (es)
ES (2) ES449820A1 (es)
FR (2) FR2318482A1 (es)
NL (2) NL7607778A (es)
SE (2) SE7607999L (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2318482A1 (fr) * 1975-07-15 1977-02-11 Rca Corp Enregistreur de disque par un faisceau d'electrons
JPS5738533U (es) * 1980-08-14 1982-03-01
JPS58194922A (ja) * 1982-05-08 1983-11-14 Pioneer Electronic Corp プラスチツクの部分メツキ方法
JPS60120589A (ja) * 1983-12-02 1985-06-28 塩尻工業株式会社 プリント回路基板の製造方法
JPS6415377A (en) * 1987-07-07 1989-01-19 Adachi Shin Sangyo Kk Method for forming patterned plating on base material
US5349959A (en) * 1988-05-11 1994-09-27 Lunar Corporation Ultrasonic densitometer device and method
JP2556761Y2 (ja) * 1993-04-07 1997-12-08 昭和アルミニウム株式会社 磁気ディスク用アルミニウム基板等の環板状ワーク用のスピンドルアダプター

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE573381C (de) * 1931-06-24 1933-03-31 Tobis Tonbild Syndikat Akt Ges Vorrichtung zur Wiedergabe oder Aufzeichnung von Ton- und Bildaufzeichnungen
US2478681A (en) * 1945-07-18 1949-08-09 Rca Corp Cathode-ray type sound recording system
US2904869A (en) * 1955-10-03 1959-09-22 Texas Instruments Inc Clamping mechanism
NL243565A (es) * 1958-08-25 1900-01-01
US3608909A (en) * 1969-11-03 1971-09-28 Jacob Rabinow Record-flattening turntable
GB1406254A (en) * 1972-08-09 1975-09-17 Decca Ltd Rotary assembly
FR2318482A1 (fr) * 1975-07-15 1977-02-11 Rca Corp Enregistreur de disque par un faisceau d'electrons

Also Published As

Publication number Publication date
NL7607776A (nl) 1977-01-18
NL7607778A (nl) 1977-01-18
SE7607999L (sv) 1977-01-16
SE7607998L (sv) 1977-01-16
FR2318480A1 (fr) 1977-02-11
AT344800B (de) 1978-08-10
DE2631935A1 (de) 1977-02-10
FR2318482A1 (fr) 1977-02-11
JPS5227619A (en) 1977-03-02
ES449820A1 (es) 1977-08-01
AU1585576A (en) 1978-01-19
ATA515376A (de) 1977-12-15
AU1585476A (en) 1978-01-19
JPS5227618A (en) 1977-03-02
DE2631936A1 (de) 1977-02-17

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